Fractionation of Synthetic Polymers: Principles and PracticesLu-ho Tung |
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Page 163
... fraction size on the polymer volume fraction v remaining in a polymer - rich phase ; full , chain , p ( 2 ) and broken lines : theoretical curves at initial polymer volume fraction v ° 1.89 , 0.94 , and 0.47 % ; number on curves denote ...
... fraction size on the polymer volume fraction v remaining in a polymer - rich phase ; full , chain , p ( 2 ) and broken lines : theoretical curves at initial polymer volume fraction v ° 1.89 , 0.94 , and 0.47 % ; number on curves denote ...
Page 350
... volume fraction of the precipitant i methanol on the logarithm of the volume fraction of industrial 2 ( o ) and laboratory ( ) polystyrenes in benzene at 25 ° C at the incipient point of precipitation . All data at lower volume fractions ...
... volume fraction of the precipitant i methanol on the logarithm of the volume fraction of industrial 2 ( o ) and laboratory ( ) polystyrenes in benzene at 25 ° C at the incipient point of precipitation . All data at lower volume fractions ...
Page 508
... volume fraction of precipitant ( p ) for a weight fraction of polymer w 1 ( 100 % polymer ) K = constant P3 W P P = = volume fraction of the precipitant at the cloud point weight fraction of polymer ( at low weight fractions this can be ...
... volume fraction of precipitant ( p ) for a weight fraction of polymer w 1 ( 100 % polymer ) K = constant P3 W P P = = volume fraction of the precipitant at the cloud point weight fraction of polymer ( at low weight fractions this can be ...
Common terms and phrases
adsorption average molecular weight Benzene binary binodals Butanone calculated chain Chem chemical potential chromatogram chromatography cloud-point curve coefficient column component constant critical point cyclohexane decreases dependence determined effect elution equation equilibrium experimental Flory Flory-Huggins Flory-Huggins theory fractionation order fractions obtained free energy function given gradient graft copolymers heterogeneous homopolymers increases interaction parameter intrinsic viscosity Kamide LCST linear Makromol methacrylate Methanol method mixture molecular weight distribution molecules nonsolvent obtained by SPF original polymer phase diagrams phase separation plot poly polydispersity polymer concentration polymer solutions polymer-lean phase polymer-rich phase polymerization polystyrene precipitation ratio refractionation sample Schulz Schulz method Schulz-Zimm distribution shown in Fig solubility solvent SPF and SSF spinodal styrene technique theoretical theory thermodynamic titrations turbidity titrations virial virial coefficient viscosity volume fraction weight fraction Wesslau distribution Wesslau-type polymer XOXO zone spreading